DK617188D0 - METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES - Google Patents

METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES

Info

Publication number
DK617188D0
DK617188D0 DK617188A DK617188A DK617188D0 DK 617188 D0 DK617188 D0 DK 617188D0 DK 617188 A DK617188 A DK 617188A DK 617188 A DK617188 A DK 617188A DK 617188 D0 DK617188 D0 DK 617188D0
Authority
DK
Denmark
Prior art keywords
polymerization
reducing screening
olefines
alfa
alfa olefines
Prior art date
Application number
DK617188A
Other languages
Danish (da)
Other versions
DK617188A (en
Inventor
Mark Gregory Goode
Daniel Mark Hasenberg
Thomas James Mcneil
Thomas Edward Spriggs
Original Assignee
Union Carbide Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22367789&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK617188(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of DK617188D0 publication Critical patent/DK617188D0/en
Publication of DK617188A publication Critical patent/DK617188A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/02—Anti-static agent incorporated into the catalyst
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DK617188A 1987-11-04 1988-11-04 METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES DK617188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/116,538 US4803251A (en) 1987-11-04 1987-11-04 Method for reducing sheeting during polymerization of alpha-olefins

Publications (2)

Publication Number Publication Date
DK617188D0 true DK617188D0 (en) 1988-11-04
DK617188A DK617188A (en) 1989-05-05

Family

ID=22367789

Family Applications (1)

Application Number Title Priority Date Filing Date
DK617188A DK617188A (en) 1987-11-04 1988-11-04 METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES

Country Status (28)

Country Link
US (1) US4803251A (en)
EP (1) EP0315192B1 (en)
JP (1) JPH075666B2 (en)
KR (1) KR930007503B1 (en)
CN (1) CN1032007C (en)
AR (1) AR243549A1 (en)
AT (1) ATE63926T1 (en)
AU (1) AU620824B2 (en)
BR (1) BR8805758A (en)
CA (1) CA1311876C (en)
CZ (1) CZ282209B6 (en)
DE (1) DE3863054D1 (en)
DK (1) DK617188A (en)
EG (1) EG19873A (en)
ES (1) ES2022575B3 (en)
FI (1) FI90878C (en)
GR (1) GR3002568T3 (en)
HU (1) HU205152B (en)
IE (1) IE61052B1 (en)
MX (1) MX166036B (en)
MY (1) MY104347A (en)
NO (1) NO171071C (en)
NZ (1) NZ226841A (en)
PT (1) PT88936B (en)
SG (1) SG2792G (en)
TR (1) TR23624A (en)
YU (1) YU46681B (en)
ZA (1) ZA888288B (en)

Families Citing this family (211)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855370A (en) * 1986-10-01 1989-08-08 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
FR2646426B2 (en) * 1988-09-13 1991-08-16 Bp Chemicals Sa PROCESS AND APPARATUS FOR POLYMERIZATION OF ALPHA-OLEFIN IN THE GASEOUS PHASE IN THE PRESENCE OF AN ACTIVITY-SLOWING AGENT
US5688865A (en) * 1991-03-06 1997-11-18 Mobil Oil Corporation Process and system for preventing pressure tap fouling in tandem polymerization reactors
US5597770A (en) * 1991-05-30 1997-01-28 Hanwha Chemical Corporation Titanium-based catalyst composition for polymerizing ethylene
IT1246614B (en) 1991-06-03 1994-11-24 Himont Inc PROCEDURE FOR THE GAS PHASE POLYMERIZATION OF OLEFINS
US5198399A (en) * 1992-01-17 1993-03-30 Quantum Chemical Corporation Polymerization catalyst and method
IT1262933B (en) * 1992-01-31 1996-07-22 Montecatini Tecnologie Srl PROCESS FOR THE ALFA-OLEFINE GAS POLYMERIZATION
US5194526A (en) * 1992-07-30 1993-03-16 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
EP0604990B1 (en) * 1992-12-29 1997-06-11 Nippon Petrochemicals Co., Ltd. Method for vapor phase polymerization of alpha-olefin
US5543478A (en) * 1992-12-29 1996-08-06 Nippon Petrochemicals Company, Limited Method for operating reactor for polymerizing olefins
JP3216928B2 (en) * 1992-12-29 2001-10-09 日本石油化学株式会社 Drying method of gas phase polymerization reaction system
EP0605002B1 (en) * 1992-12-30 2000-08-02 Nippon Petrochemicals Co., Ltd. Method of vapor phase polymerization of olefins
IT1264679B1 (en) 1993-07-07 1996-10-04 Spherilene Srl CATALYSTS FOR THE (CO) POLYMERIZATION OF ETHYLENE
US5391657A (en) * 1993-09-27 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporaton Method for reducing sheeting and static charges during polymerization of ethylene polymers
US5416175A (en) * 1993-12-17 1995-05-16 Union Carbide Chemicals & Plastics Technology Corporation Method for reducing sheeting during polymerization of α-olefins
IT1269194B (en) * 1994-01-21 1997-03-21 Spherilene Srl HIGH PROCESSABILITY POLYMERIC COMPOSITIONS BASED ON LLDPE
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5461123A (en) * 1994-07-14 1995-10-24 Union Carbide Chemicals & Plastics Technology Corporation Gas phase fluidized bed polyolefin polymerization process using sound waves
US5453471B1 (en) * 1994-08-02 1999-02-09 Carbide Chemicals & Plastics T Gas phase polymerization process
US6384156B1 (en) * 1994-08-02 2002-05-07 Union Carbide Chemicals & Plastics Technology Corporation Gas phase polymerization process
US5969061A (en) * 1995-10-16 1999-10-19 Eastman Chemical Company Suppression of fines in a fluid bed polyethylene process
IT1276120B1 (en) * 1995-11-14 1997-10-24 Montell Technology Company Bv EXTENSIBLE MULTILAYER FILM BASED ON LLDPE
IT1276121B1 (en) * 1995-11-14 1997-10-24 Montell Technology Company Bv EXTENSIBLE MULTILAYER FILM
IT1281198B1 (en) 1995-12-18 1998-02-17 Montell Technology Company Bv SHRINK FILMS BASED ON POLYOLEFIN COMPOSITIONS INCLUDING A LINEAR COPOLYMER OF ETHYLENE WITH ALPHA-OLEFINS
US5731392A (en) * 1996-09-20 1998-03-24 Mobil Oil Company Static control with TEOS
US6008662A (en) * 1996-10-31 1999-12-28 Oxford Instruments America, Inc. Apparatus and method for measuring conditions in fluidized beds
IT1292138B1 (en) * 1997-06-12 1999-01-25 Montell Technology Company Bv EXTENSIBLE MULTILAYER FILM
US5863994A (en) * 1997-09-29 1999-01-26 Montell North America Inc. Using nitric oxide to reduce reactor fouling during polypropylene graft copolymerization
AU1320699A (en) * 1998-03-11 1999-09-23 Union Carbide Chemicals & Plastics Technology Corporation Reduced sheeting in single-site and single-site like polymerization by employing a chromium containing compound
BR9906424A (en) 1998-05-06 2000-07-11 Montell Technology Company Bv Polyolefin compositions and films obtained from them
US7354880B2 (en) * 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
US5995774A (en) * 1998-09-11 1999-11-30 Lexmark International, Inc. Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge
FI982388A (en) * 1998-11-04 2000-05-05 Borealis Polymers Oy Procedure for the elimination of static electricity
FI111953B (en) * 1998-11-12 2003-10-15 Borealis Tech Oy Process and apparatus for emptying polymerization reactors
US6111034A (en) * 1998-12-31 2000-08-29 Union Carbide Chemicals & Plastics Technology Corporation Static control in olefin polymerization
US6300429B1 (en) 1998-12-31 2001-10-09 Union Carbide Chemicals & Plastics Technology Corporation Method of modifying near-wall temperature in a gas phase polymerization reactor
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
MXPA01009833A (en) 1999-03-30 2002-11-04 Eastman Chem Co Process for producing polyolefins.
US6288181B1 (en) 1999-03-30 2001-09-11 Eastman Chemical Company Process for producing polyolefins
US6187879B1 (en) * 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
CA2381913A1 (en) 1999-08-31 2001-03-08 Eastman Chemical Company Process for producing polyolefins
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
US6548610B2 (en) * 2000-10-06 2003-04-15 Univation Technologies, Llc Method and apparatus for reducing static charges during polymerization of olefin polymers
US6905654B2 (en) 2000-10-06 2005-06-14 Univation Technologies, Llc Method and apparatus for reducing static charges during polymerization of olefin polymers
US6914027B2 (en) * 2000-12-01 2005-07-05 Univation Technologies, Llc Polymerization reactor operability using static charge modifier agents
US6593267B2 (en) 2000-12-18 2003-07-15 Univation Technologies, Llc Method for preparing a supported catalyst system and its use in a polymerization process
US6933258B2 (en) 2000-12-19 2005-08-23 Univation Technologies, L.L.C. Catalyst composition and methods for its preparation and use in a polymerization process
US7846736B2 (en) * 2001-12-17 2010-12-07 Univation Technologies, Llc Method for polymerization reaction monitoring with determination of entropy of monitored data
US7226789B2 (en) * 2001-12-17 2007-06-05 Unication Technolofies, Llc Method of applying non-linear dynamics to control a gas-phase polyethylene reactor operability
US7220341B2 (en) * 2002-03-11 2007-05-22 Exxonmobil Chemical Patents Inc. Controlling solids flow in a gas-solids reactor
US20050232995A1 (en) * 2002-07-29 2005-10-20 Yam Nyomi V Methods and dosage forms for controlled delivery of paliperidone and risperidone
US20050208132A1 (en) * 2002-07-29 2005-09-22 Gayatri Sathyan Methods and dosage forms for reducing side effects of benzisozazole derivatives
KR20050084590A (en) * 2002-09-27 2005-08-26 유니베이션 테크놀로지즈, 엘엘씨 Reactor wall coating and processes for forming same
US6630548B1 (en) * 2002-11-01 2003-10-07 Equistar Chemicals, Lp Static reduction
US6831140B2 (en) * 2002-12-26 2004-12-14 Univation Technologies, Llc Static measurement and detection in a gas phase polyethylene reactor
ATE469927T1 (en) * 2003-03-21 2010-06-15 Dow Global Technologies Inc METHOD FOR PRODUCING POLYOLEFINS WITH CONTROLLED MORPHOLOGY
US20090131593A1 (en) * 2003-05-21 2009-05-21 Basell Poliolefine Italia S.R.L Polyethylene films for packaging
CA2526574A1 (en) 2003-05-21 2004-12-02 Basell Poliolefine Italia S.R.L. Stretch wrap films
US7393910B2 (en) 2003-09-23 2008-07-01 Dow Global Technologies Inc. Catalyst composition for ethylene polymerization
US7238756B2 (en) 2003-10-15 2007-07-03 Univation Technologies, Llc Polymerization process and control of polymer composition properties
US6828395B1 (en) 2003-10-15 2004-12-07 Univation Technologies, Llc Polymerization process and control of polymer composition properties
US7820445B2 (en) * 2004-04-22 2010-10-26 Velocys Fluidization and solids processing in microchannel devices
US7754830B2 (en) 2004-05-20 2010-07-13 Univation Technologies, Llc Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events
TW200613326A (en) * 2004-05-20 2006-05-01 Exxonmobil Chemical Patents Inc Polymerization process
US7683140B2 (en) 2004-05-20 2010-03-23 Univation Technologies, Llc Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
BRPI0516272B1 (en) * 2004-10-14 2016-05-17 Basell Poliolefine Srl process for gas phase polymerization of olefins
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
WO2006107373A1 (en) * 2005-03-31 2006-10-12 Exxonmobil Chemical Patents Inc. Processes for producing high density polyethylene
US8129484B2 (en) * 2005-07-27 2012-03-06 Univation Technologies, Llc Blow molding polyethylene resins
US20070027276A1 (en) * 2005-07-27 2007-02-01 Cann Kevin J Blow molding polyethylene resins
US7947797B2 (en) * 2005-09-14 2011-05-24 Univation Technologies, Llc Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
US20070109911A1 (en) * 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
US7808227B2 (en) * 2006-07-07 2010-10-05 Univation Technologies, Llc Systems and methods for detecting impurities in reactor systems
AU2007279379A1 (en) * 2006-07-31 2008-02-07 Univation Technologies, Llc Method and apparatus for controlling static charge in polyolefin reactors
MX2009002494A (en) * 2006-09-07 2009-05-22 Univation Tech Llc Methods for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring.
EP2059540B1 (en) * 2006-09-07 2012-12-26 Univation Technologies, LLC Methods for on-line determination of degree of resin stickiness using a model for depression of melt initiation temperature
EP2089223A4 (en) * 2006-12-04 2010-04-14 Univation Tech Llc Semi-conductive coatings for a polyolefin reaction system
TW200902558A (en) * 2007-02-16 2009-01-16 Univation Tech Llc Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events
US8088870B2 (en) * 2007-03-06 2012-01-03 Univation Technologies, Llc Methods for applying solution catalysts to reactor surfaces
JP2010520356A (en) 2007-03-06 2010-06-10 ユニベーション・テクノロジーズ・エルエルシー Method and apparatus for polymerization
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
EP2090357B1 (en) 2007-12-24 2018-04-04 Borealis Technology OY Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins
EP2082797A1 (en) 2007-12-24 2009-07-29 Borealis Technology OY Reactor system for the catalytic polymerization of olefins comprising shielding means and a process and use thereof
EP2090356A1 (en) * 2007-12-24 2009-08-19 Borealis Technology OY Reactor systems and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymeration of olefins
WO2009131663A2 (en) 2008-04-22 2009-10-29 Univation Technologies, Llc Reactor systems and processes for using the same
EP2130859A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
EP2130863A1 (en) 2008-06-02 2009-12-09 Borealis AG High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
EP2130862A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions and pressure-resistant pipes made thereof
EP2182526A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising an multimodal ethylene copolymer
EP2182525A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising a multimodal ethylene copolymer
EP2182524A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and Polymer composition comprising a multimodal ethylene copolymer
ATE551369T1 (en) 2008-11-17 2012-04-15 Borealis Ag MULTI-STEP PROCESS FOR PRODUCING POLYETHYLENE WITH REDUCED GEL FORMATION
RU2527945C2 (en) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Additive for polyolefin polymerisation processes
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
ES2370689T3 (en) 2009-02-25 2011-12-21 Borealis Ag MULTIMODAL POLYPROPYLENE POLYMER, COMPOSITION THAT INCLUDES THE SAME AND A PROCEDURE TO PRODUCE THE SAME.
EP2223944A1 (en) 2009-02-26 2010-09-01 Borealis AG Process for producing semicrystalline propylene polymers
CN102482372B (en) 2009-07-23 2013-09-04 尤尼威蒂恩技术有限公司 Polymerization reaction system
RU2549541C2 (en) 2009-07-28 2015-04-27 Юнивейшн Текнолоджиз, Ллк Method of polymerisation with application of applied catalyst with constrained geometry
BR112012005542B1 (en) 2009-09-11 2019-08-20 Basell Poliolefine Italia S.R.L GAS-PHASE POLYMERIZATION PROCESS
CN102686613B (en) 2009-11-13 2014-08-13 博瑞立斯有限公司 Process for recovering a transition metal compound
US8501881B2 (en) 2009-11-13 2013-08-06 Borealis Ag Process for olefin polymerization
EP2322568B1 (en) 2009-11-13 2013-05-15 Borealis AG Process for producing an olefin polymerization catalyst
WO2011058089A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for producing a polymerization catalyst
WO2011080128A1 (en) 2009-12-29 2011-07-07 Basell Poliolefine Italia S.R.L. Process for the production of polyolefin films
US8598283B2 (en) 2010-02-18 2013-12-03 Univation Technologies, Llc Methods for operating a polymerization reactor
MY162328A (en) 2010-02-22 2017-05-31 Univation Tech Llc Catalyst systems and methods for using same to produce polyolefin products
CA2792989C (en) 2010-03-17 2018-08-14 Borealis Ag Polymer composition for w&c application with advantageous electrical properties
KR101959473B1 (en) 2010-03-17 2019-03-18 보레알리스 아게 Polymer composition for w&c application with advantageous electrical properties
CN103038264A (en) 2010-04-05 2013-04-10 陶氏环球技术有限责任公司 Process for polymerizing olefin-based polymers containing high molecular weight fractions in condensed and super-condensed mode
EP2397221B1 (en) 2010-06-17 2017-04-12 Borealis AG Control system for a gas phase reactor, a gas phase reactor for catalytic production of polyolefines, a method for catalytic productions of polyolefines and a use of the control system
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
WO2012009216A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring particle accumulation on reactor surfaces
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
BR112013007376B1 (en) 2010-09-28 2020-07-28 Basell Polyolefine Gmbh method for feeding an antistatic compound to a polymerization reactor, catalyst suspension, its use and process for the polymerization of olefins
US10308731B2 (en) 2010-09-28 2019-06-04 Basell Polyolefine Gmbh Method for feeding an antistatic compound to a polymerization reactor
EP2452957A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for producing heterophasic propylene copolymers
EP2452960B1 (en) 2010-11-12 2015-01-07 Borealis AG Process for preparing propylene polymers with an ultra high melt flow rate
EP2452976A1 (en) 2010-11-12 2012-05-16 Borealis AG Heterophasic propylene copolymers with improved stiffness/impact/flowability balance
EP2452959B1 (en) 2010-11-12 2015-01-21 Borealis AG Process for producing propylene random copolymers and their use
JP5973462B2 (en) 2010-12-17 2016-08-23 ユニベーション・テクノロジーズ・エルエルシー System and method for recovering hydrocarbons from a polyolefin purge gas product
CN103347905B (en) 2010-12-22 2015-12-16 尤尼威蒂恩技术有限责任公司 For the additive of bed polyolefin polymerization process
ES2605429T3 (en) 2011-06-15 2017-03-14 Borealis Ag Mixing the in situ reactor of a nucleated polypropylene catalyzed by Ziegler-Natta and a metallocene catalyzed polypropylene
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
EP2570455A1 (en) 2011-09-16 2013-03-20 Borealis AG Polyethylene composition with broad molecular weight distribution and improved homogeneity
EP2583998B1 (en) 2011-10-21 2018-02-28 Borealis AG Polyethylene composition with high rapid crack propagation resistance and pressure resistance
EP2589612A1 (en) * 2011-11-03 2013-05-08 Basell Polyolefine GmbH Process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators
US9181371B2 (en) 2011-11-08 2015-11-10 Univation Technologies, Llc Methods for producing polyolefins with catalyst systems
ES2798272T3 (en) 2011-11-08 2020-12-10 Univation Tech Llc Methods of preparing a catalytic system
EP2594333B1 (en) 2011-11-21 2014-07-30 Borealis AG Method for recovering polymer and apparatus therefor
EP2599828A1 (en) 2011-12-01 2013-06-05 Borealis AG Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance
EP2617741B1 (en) 2012-01-18 2016-01-13 Borealis AG Process for polymerizing olefin polymers in the presence of a catalyst system and a method of controlling the process
EP2620472B1 (en) 2012-01-24 2018-05-30 Borealis AG Poyethylene composition with improved low temperature perssure resistance
EP2800766B1 (en) 2012-03-05 2019-09-04 Univation Technologies, LLC Methods for making catalyst compositions and polymer products produced therefrom
EP2711379A1 (en) 2012-09-21 2014-03-26 Basell Poliolefine Italia S.r.l. Process for the gas-phase polymerization of olefins
ES2604934T3 (en) 2012-11-09 2017-03-10 Abu Dhabi Polymers Company Limited (Borouge) Polymeric composition comprising a mixture of a multimodal polyethylene and an additional ethylene polymer suitable for the manufacture of a drip irrigation tube
ES2613070T3 (en) 2012-11-09 2017-05-22 Abu Dhabi Polymers Company Limited (Borouge) Drip irrigation pipe comprising a polymer composition comprising a multimodal polyethylene base resin
EP2740761B1 (en) 2012-12-05 2016-10-19 Borealis AG Polyethylene composition with improved balance of slow crack growth resistance, impact performance and pipe pressure resistance for pipe applications
EP2749580B1 (en) 2012-12-28 2016-09-14 Borealis AG Process for producing copolymers of propylene
US10280283B2 (en) 2012-12-28 2019-05-07 Univation Technologies, Llc Supported catalyst with improved flowability
EP2754678A1 (en) 2013-01-14 2014-07-16 Basell Poliolefine Italia S.r.l. Process for the preparation of ethylene polymers
CN105143285B (en) 2013-02-07 2019-03-08 尤尼威蒂恩技术有限责任公司 The preparation of polyolefin
US9718900B2 (en) 2013-03-15 2017-08-01 Univation Technologies, Llc Ligands for catalysts
EP2970524B1 (en) 2013-03-15 2018-03-07 Univation Technologies, LLC Tridentate nitrogen based ligands for olefin polymerisation catalysts
TR201808436T4 (en) 2013-04-22 2018-07-23 Abu Dhabi Polymers Co Ltd Borouge Polypropylene composition with improved impact strength for pipe applications.
EP2796472B1 (en) 2013-04-22 2017-06-28 Borealis AG Two-stage process for producing polypropylene compositions
EP2796501B9 (en) 2013-04-22 2019-05-01 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
EP3235832B1 (en) 2013-04-22 2018-06-20 Borealis AG Polypropylene compositions
EP2796500B1 (en) 2013-04-22 2018-04-18 Abu Dhabi Polymers Company Limited (Borouge) Propylene random copolymer composition for pipe applications
PL2796498T3 (en) 2013-04-22 2019-03-29 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
ES2628082T3 (en) 2013-04-22 2017-08-01 Borealis Ag Multi-stage process to produce low temperature resistant polypropylene compositions
CN107266402A (en) 2013-06-05 2017-10-20 尤尼威蒂恩技术有限责任公司 Protect phenolic group
EP2813520A1 (en) 2013-06-11 2014-12-17 Basell Polyolefine GmbH Polymerization process in the presence of an antistatically acting composition
EP2842912A1 (en) 2013-08-26 2015-03-04 Basell Poliolefine Italia S.r.l. Method for improving the operability of an olefin polymerization reactor
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2860200B1 (en) 2013-10-10 2017-08-02 Borealis AG Polyethylene composition for pipe and pipe coating applications
EP2860203B1 (en) 2013-10-10 2016-12-14 Borealis AG Multistage process for producing polyethylene compositions
EP2860202B1 (en) 2013-10-10 2018-05-30 Borealis AG High temperature resistant polyethylene and process for the production thereof
EP2860204B1 (en) 2013-10-10 2018-08-01 Borealis AG Polyethylene composition for pipe applications
EP2860201A1 (en) 2013-10-10 2015-04-15 Borealis AG High temperature resistant polyethylene and process for the production thereof
KR101787928B1 (en) 2013-10-30 2017-10-19 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. Polyethylene composition suitable for injection moulding applications
KR102248113B1 (en) 2013-11-21 2021-05-04 유니베이션 테크놀로지즈, 엘엘씨 Methods for controlling polymer properties during polymerisation
EP2883885A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
EP2883887A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
US9433914B2 (en) 2013-12-20 2016-09-06 Chevron Phillips Chemical Company, Lp Polyolefin reactor system having a gas phase reactor
EP2894174B1 (en) 2013-12-20 2018-02-07 Borealis AG Polyethylene composition with high flexibility and high temperature resistance suitable for pipe applications
EP2894195B1 (en) 2013-12-23 2016-09-14 Abu Dhabi Polymers Company Limited (Borouge) Polyethylene composition for pipe applications with improved sagging properties
CN106794455B (en) 2014-08-19 2020-09-04 尤尼威蒂恩技术有限责任公司 Fluorination catalyst support and catalyst system
EP3183058A1 (en) 2014-08-19 2017-06-28 Univation Technologies, LLC Fluorinated catalyst supports and catalyst systems
US10189917B2 (en) 2014-08-19 2019-01-29 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
CN106715067A (en) 2014-12-08 2017-05-24 博里利斯股份公司 Process for producing pellets of copolymers of propylene
CN112979842B (en) 2015-02-05 2022-11-11 博里利斯股份公司 Process for producing polyethylene
CA2974878C (en) 2015-02-20 2019-08-20 Borealis Ag Process for producing heterophasic copolymers of propylene
CN107531839B (en) 2015-04-24 2021-05-25 尤尼威蒂恩技术有限责任公司 Method for operating a polymerization reactor
EP3088458B2 (en) 2015-04-27 2022-10-05 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polyethylene composition suitable for pipe applications
EP3109275B1 (en) 2015-06-22 2017-08-09 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polyethylene composition for pipe applications with improved sagging and extrusion properties
ES2707391T3 (en) 2015-06-23 2019-04-03 Borealis Ag Procedure for the production of LLDPE resins
BR112018014196B1 (en) 2016-01-29 2022-07-05 Univation Technologies, Llc FILM AND METHOD TO MAKE A FILM HAVING IMPROVED DART IMPACT
RU2736067C2 (en) 2016-04-20 2020-11-11 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Polymer fluidity index modifier
EP3238938A1 (en) 2016-04-29 2017-11-01 Borealis AG Machine direction oriented films comprising multimodal copolymer of ethylene and at least two alpha-olefin comonomers
CN109415544B (en) 2016-05-31 2022-07-05 博里利斯股份公司 Polymer composition and method for producing the same
PL3252085T3 (en) 2016-05-31 2023-02-13 Borealis Ag Jacket with improved properties
EP3475313B1 (en) 2016-06-22 2024-03-20 Borealis AG Composition comprising three polyethylenes and a process for production of the polymer composition
CN109937213B (en) 2016-09-08 2021-03-02 Sabic环球技术有限责任公司 Process for preparing polyolefins by discontinuous addition of thermal runaway reducers
CN109983039B (en) 2016-09-27 2022-02-18 尤尼威蒂恩技术有限责任公司 Method for long chain branching control in polyethylene production
WO2018095772A2 (en) 2016-11-25 2018-05-31 Borealis Ag New composition and process
US11180577B2 (en) 2016-12-15 2021-11-23 Univation Technologies, Llc Rating polymerization processes
WO2018164798A1 (en) 2017-03-09 2018-09-13 Exxonmobil Chemical Patents Inc. Process for producing polyethylene polymers
EP3418330B2 (en) 2017-06-21 2023-07-19 Borealis AG Polymer composition and a process for production of the polymer composition
CN109135067A (en) 2017-06-27 2019-01-04 阿布扎比聚合物有限责任公司(博禄) For manufacturing the polypropene composition of high-voltage tube
WO2020016370A1 (en) 2018-07-19 2020-01-23 Borealis Ag Process for the preparation of an uhmwpe homopolymer
EP3647645A1 (en) 2018-10-31 2020-05-06 Borealis AG Polyethylene composition for high pressure resistant pipes
WO2020088987A1 (en) 2018-10-31 2020-05-07 Borealis Ag Polyethylene composition for high pressure resistant pipes with improved homogeneity
EP3887410A1 (en) 2018-11-28 2021-10-06 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Polyethylene composition for film applications
US11352375B2 (en) 2018-12-28 2022-06-07 Braskem S.A. Auxiliaries for olefin polymerization process
US11820879B2 (en) 2018-12-28 2023-11-21 Braskem S.A. Continuous feed of antistatic agent for gas phase polymerization process
WO2020260021A1 (en) 2019-06-24 2020-12-30 Borealis Ag Process for preparing polypropylene with improved recovery
WO2021013552A1 (en) 2019-07-22 2021-01-28 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Single site catalysed multimodal polyethylene composition
WO2021045889A1 (en) 2019-09-05 2021-03-11 Exxonmobil Chemical Patents Inc. Processes for producing polyolefins and impact copolymers with broad molecular weight distribution and high stiffness
EP3835327B1 (en) 2019-12-09 2024-07-31 Borealis AG System for producing polyolefin and process for recovering polymerization product from gas phase reactor
WO2021150377A1 (en) 2020-01-24 2021-07-29 Exxonmobil Chemical Patents Inc. Methods for producing bimodal polyolefins and impact copolymers
EP4107196A1 (en) 2020-02-17 2022-12-28 ExxonMobil Chemical Patents Inc. Propylene-based polymer compositions having a high molecular weight tail
EP4247534A1 (en) 2020-11-17 2023-09-27 ExxonMobil Chemical Patents Inc. Gas phase reactor startup process
KR102513518B1 (en) 2020-12-23 2023-03-22 디엘케미칼 주식회사 Olefin polymerization method using antistatic agent for metallocene olefin polymerization process
EP4019583B1 (en) 2020-12-28 2024-04-10 ABU DHABI POLYMERS CO. LTD (BOROUGE) - Sole Proprietorship L.L.C. Polyethylene composition for film applications with improved toughness and stiffness
US11850581B2 (en) 2021-02-10 2023-12-26 Chevron Phillips Chemical Company Lp Systems and methods for mitigating polymer fouling
WO2024129637A1 (en) 2022-12-12 2024-06-20 Univation Technologies, Llc Decreasing triboelectric charging of, and/or reactor fouling by, polyolefin particles
EP4389820A1 (en) 2022-12-21 2024-06-26 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
EP4389777A1 (en) 2022-12-22 2024-06-26 Borealis AG High density polyethylene for pipe applications with improved pressure performance and mechanical properties
EP4393967A1 (en) 2022-12-27 2024-07-03 Borealis AG Pe100-rc with butene as comonomer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA589792A (en) * 1959-12-29 Rappen Friedrich Process for the polymerization of olefins
DE1051004B (en) 1953-01-27 1959-02-19 Phillips Petroleum Company, Bartlesville, OkIa. (V. St. A.) Process for the production of high molecular weight olefin polymers or olefin copolymers
BE559859A (en) * 1956-08-07
US2970135A (en) * 1957-01-17 1961-01-31 Phillips Petroleum Co Polymerization process using a solid catalyst dispersion medium
NL135065C (en) 1965-05-14
AT287292B (en) * 1967-08-21 1971-01-11 Union Carbide Corp Continuous process for the production of solid, particulate polymers from olefins
US3622521A (en) 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
CA995396A (en) 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
BE787508A (en) 1972-08-04 1973-02-12 Bp Chem Int Ltd POLYMERIZATION PROCESS.
GB1467441A (en) * 1973-03-15 1977-03-16 Lucas Industries Ltd Hydraulic gear pumps and motors
US4011382A (en) 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4302566A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
AU526104B2 (en) * 1978-09-08 1982-12-16 Geon Company, The Polymerization of vinyl chloride
JPS56806A (en) * 1979-06-18 1981-01-07 Mitsubishi Rayon Co Ltd Polymerization of vinyl monomer
JPS564608A (en) * 1979-06-26 1981-01-19 Mitsubishi Petrochem Co Ltd Vapor-phase polymerization of olefin
US4532311A (en) * 1981-03-26 1985-07-30 Union Carbide Corporation Process for reducing sheeting during polymerization of alpha-olefins
DE3600611A1 (en) * 1986-01-11 1987-07-16 Basf Ag USE OF ANTISTATICS TO PREVENT COATING IN THE PRODUCTION OF ULTRA HIGH MOLECULAR POLYETHYLENE IN GAS PHASE REACTORS

Also Published As

Publication number Publication date
MX166036B (en) 1992-12-16
SG2792G (en) 1992-03-20
DE3863054D1 (en) 1991-07-04
EP0315192A1 (en) 1989-05-10
AU620824B2 (en) 1992-02-27
NO884926D0 (en) 1988-11-04
CN1032007C (en) 1996-06-12
HUT48651A (en) 1989-06-28
MY104347A (en) 1994-03-31
GR3002568T3 (en) 1993-01-25
TR23624A (en) 1990-05-07
US4803251A (en) 1989-02-07
HU205152B (en) 1992-03-30
FI90878B (en) 1993-12-31
NZ226841A (en) 1990-11-27
IE883337L (en) 1989-05-04
DK617188A (en) 1989-05-05
YU205188A (en) 1989-12-31
PT88936B (en) 1993-12-31
AU2465688A (en) 1989-05-04
ES2022575B3 (en) 1991-12-01
FI90878C (en) 1994-04-11
NO171071C (en) 1993-01-20
NO884926L (en) 1989-05-05
CZ728688A3 (en) 1997-03-12
ATE63926T1 (en) 1991-06-15
KR930007503B1 (en) 1993-08-12
JPH075666B2 (en) 1995-01-25
EG19873A (en) 1999-05-31
YU46681B (en) 1994-01-20
FI885104A0 (en) 1988-11-04
FI885104A (en) 1989-05-05
PT88936A (en) 1989-11-30
JPH01230607A (en) 1989-09-14
EP0315192B1 (en) 1991-05-29
IE61052B1 (en) 1994-09-21
NO171071B (en) 1992-10-12
CA1311876C (en) 1992-12-22
CN1035296A (en) 1989-09-06
AR243549A1 (en) 1993-08-31
KR890008180A (en) 1989-07-10
ZA888288B (en) 1989-08-30
CZ282209B6 (en) 1997-06-11
BR8805758A (en) 1989-07-25

Similar Documents

Publication Publication Date Title
DK617188D0 (en) METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES
DK349781A (en) SOLID COMPONENTS AND CATALYSTS FOR USE BY POLYMERIZATION OF ALFA OLEFINES
DE3576508D1 (en) CATALYST COMPONENT FOR THE POLYMERIZATION OF OLEFINS.
DK158360C (en) CATALYST COMPONENTS FOR POLYMERIZATION OF ALFA OLEFINES
DE3670073D1 (en) METHOD FOR INHIBITING THE POLYMERIZATION OF VINYLAROMATIC MONOMERS.
DK660288A (en) CATALYST FOR POLYMERIZATION OF OLEFINES
AT365614B (en) METHOD FOR THE POLYMERIZATION OF VINYL HALOGENIDE MONOMERS
KR880701740A (en) Liquid monomer polymerization method
NO168651C (en) PROCEDURE FOR POLYMERIZATION OF OLEFINES.
ES526169A0 (en) ETHYLENICALLY UNSATURATED MONOMER POLYMERIZATION PROCEDURE
BE887676A (en) POLYMERIZATION SOLUTION
IT8147642A0 (en) PROCEDURE FOR THE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS
DE3581204D1 (en) METHOD FOR THE POLYMERIZATION OF BUTEN-1.
DK314785A (en) PROCEDURE FOR POLYMERIZATION OF RESIN
DK0417477T3 (en) Process for Polymerization of Olefins
IT8147635A0 (en) PROCEDURE FOR THE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS
BR8405169A (en) POLYMERIZABLE MONOMER GRAFT POLYMERS AND OLEFINE POLYMERS AND PROCESSES OF OBTAINING
AT365613B (en) METHOD FOR THE POLYMERIZATION OF AETHYLENE
DK229378A (en) POLYMERIZATION OF OLEFINES
DK614788D0 (en) METHOD OF REDUCING SCREENING BY POLYMERIZATION OF ALFA OLEFINES
DK178189A (en) PROCESS FOR GAS PHASE POLYMERIZATION OF OLEPHINIC MONOMERS
ATA16881A (en) METHOD FOR POLYMERIZING OLEFINS
DK583689D0 (en) CO-CATALYTIC COMPOUNDS FOR USE BY POLYMERIZATION OF ALPHA OLEFINES
AT367073B (en) METHOD FOR THE POLYMERIZATION OF 1-ALKYLENE, ESPECIALLY AETHYLENE
ATE60925T1 (en) PROCESS FOR POLYMERIZATION OF ALPHA-OLEFINS.

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment